public static void main(String[] args)
{
toBin_1(6);
toBin(60);
}
//十进制转换为二进制
public static void toBin_1(int num)
{
//定义二进制表
char[] chs={'0','1'};
//定义临时存储容器
char[] arr = new char[32];
int pos = arr.length;
while(num!=0)
{
int temp = num & 1;
arr[--pos] = chs[temp];
num =num >>>1;
}
for(int i=pos;i<arr.length;i++)
{
System.out.print(arr[i]+",");
}
}
//十进制转换为十六进制
public static void toBin(int num)
{
char[] arr = new char[8];
char[] chs = { '0','1','2','3',
'4','5','6','7',
'8','9','A','B',
'C','D','E','F'};
int pos = arr.length-1;
while(num!=0)
{
int temp=num&15;
arr[pos--]=chs[temp];
num= num>>>4;
}
for(int i=pos+1;i<arr.length;i++)
{
System.out.print(arr[i]+",");
}
}
****************************
完善：
public static void main(String[] args)
{
toBin(6);
toB(60);
toHex(60);
}
//十进制转换二进制
public static void toBin(int num)
{
System.out.print(num+"转化为二进制位：");
trans(num,1,1);
System.out.println();
}
//十进制转换八进制
public static void toB(int num)
{
System.out.print(num+"转化为八进制位：");
trans(num,7,3);
System.out.println();
}
//十进制转换十六进制
public static void toHex(int num)
{
System.out.print(num+"转化为十六进制位：");
trans(num,15,4);
System.out.println();
}
public static void trans(int num,int base,int offset)
{
char[] chs = { '0','1','2','3',
'4','5','6','7',
'8','9','A','B',
'C','D','E','F'};
char[] arr = new char[32];
int pos = arr.length;
while(num!=0)
{
int temp = num & base;
arr[--pos] = chs[temp];
num = num >>>offset;
}
for(int x=pos; x<arr.length;x++)
{
System.out.print(arr[x]);
}
}
